9900406

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 16410240

約数和(自身を除く): 6509834

約数列:

[1, 2, 19, 38, 43, 73, 83, 86, 146, 166, 817, 1387, 1577, 1634, 2774, 3139, 3154, 3569, 6059, 6278, 7138, 12118, 59641, 67811, 115121, 119282, 135622, 230242, 260537, 521074, 4950203, 9900406]

約数ペア:

[(1, 9900406), (2, 4950203), (19, 521074), (38, 260537), (43, 230242), (73, 135622), (83, 119282), (86, 115121), (146, 67811), (166, 59641), (817, 12118), (1387, 7138), (1577, 6278), (1634, 6059), (2774, 3569), (3139, 3154)]